reflow comments in web/tests

third_party/WebKit/Source/web/tests/FrameThrottlingTest.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "bindings/core/v8/ScriptController.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLIFrameElement.h"
@@ skipping 448 matching lines @@
       "<style> html { background-image: linear-gradient(red, blue); "
       "background-attachment: fixed; } </style>");
 
   // Move the frame offscreen to throttle it.
   auto* frameElement = toHTMLIFrameElement(document().getElementById("frame"));
   frameElement->setAttribute(styleAttr, "transform: translateY(480px)");
   EXPECT_FALSE(frameElement->contentDocument()->view()->canThrottleRendering());
   compositeFrame();
   EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering());
 
-  // Change style of the frame's content to make it in VisualUpdatePending state.
+  // Change style of the frame's content to make it in VisualUpdatePending
+  // state.
   frameElement->contentDocument()->body()->setAttribute(styleAttr,
                                                         "background: green");
   // Change root frame's layout so that the next lifecycle update will call
   // ScrollingCoordinator::updateAfterCompositingChangeIfNeeded().
   document().body()->setAttribute(styleAttr, "margin: 20px");
   EXPECT_EQ(DocumentLifecycle::VisualUpdatePending,
             frameElement->contentDocument()->lifecycle().state());
 
   DocumentLifecycle::AllowThrottlingScope throttlingScope(
       document().lifecycle());
-  // This will call ScrollingCoordinator::updateAfterCompositingChangeIfNeeded() and should not
-  // cause assert failure about isAllowedToQueryCompositingState() in the throttled frame.
+  // This will call ScrollingCoordinator::updateAfterCompositingChangeIfNeeded()
+  // and should not cause assert failure about
+  // isAllowedToQueryCompositingState() in the throttled frame.
   document().view()->updateAllLifecyclePhases();
   testing::runPendingTasks();
   EXPECT_EQ(DocumentLifecycle::VisualUpdatePending,
             frameElement->contentDocument()->lifecycle().state());
-  // The fixed background in the throttled sub frame should not cause main thread scrolling.
+  // The fixed background in the throttled sub frame should not cause main
+  // thread scrolling.
   EXPECT_FALSE(document().view()->shouldScrollOnMainThread());
 
   // Make the frame visible by changing its transform. This doesn't cause a
   // layout, but should still unthrottle the frame.
   frameElement->setAttribute(styleAttr, "transform: translateY(0px)");
   compositeFrame();
   EXPECT_FALSE(frameElement->contentDocument()->view()->canThrottleRendering());
   // The fixed background in the throttled sub frame should be considered.
   EXPECT_TRUE(document().view()->shouldScrollOnMainThread());
 }
@@ skipping 15 matching lines @@
       "<div id=div style='transform: translateZ(0)' ontouchstart='foo()'>touch "
       "handler</div>");
 
   // Move the frame offscreen to throttle it.
   auto* frameElement = toHTMLIFrameElement(document().getElementById("frame"));
   frameElement->setAttribute(styleAttr, "transform: translateY(480px)");
   EXPECT_FALSE(frameElement->contentDocument()->view()->canThrottleRendering());
   compositeFrame();
   EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering());
 
-  // Change style of the frame's content to make it in VisualUpdatePending state.
+  // Change style of the frame's content to make it in VisualUpdatePending
+  // state.
   frameElement->contentDocument()->body()->setAttribute(styleAttr,
                                                         "background: green");
   // Change root frame's layout so that the next lifecycle update will call
   // ScrollingCoordinator::updateAfterCompositingChangeIfNeeded().
   document().body()->setAttribute(styleAttr, "margin: 20px");
   EXPECT_EQ(DocumentLifecycle::VisualUpdatePending,
             frameElement->contentDocument()->lifecycle().state());
 
   DocumentLifecycle::AllowThrottlingScope throttlingScope(
       document().lifecycle());
-  // This will call ScrollingCoordinator::updateAfterCompositingChangeIfNeeded() and should not
-  // cause assert failure about isAllowedToQueryCompositingState() in the throttled frame.
+  // This will call ScrollingCoordinator::updateAfterCompositingChangeIfNeeded()
+  // and should not cause assert failure about
+  // isAllowedToQueryCompositingState() in the throttled frame.
   document().view()->updateAllLifecyclePhases();
   testing::runPendingTasks();
   EXPECT_EQ(DocumentLifecycle::VisualUpdatePending,
             frameElement->contentDocument()->lifecycle().state());
 }
 
 TEST_F(FrameThrottlingTest,
        ScrollingCoordinatorShouldSkipCompositedThrottledFrame) {
   webView().settings()->setAcceleratedCompositingEnabled(true);
   webView().settings()->setPreferCompositingToLCDTextEnabled(true);
 
   // Create a hidden frame which is throttled.
   SimRequest mainResource("https://example.com/", "text/html");
   SimRequest frameResource("https://example.com/iframe.html", "text/html");
 
   loadURL("https://example.com/");
   mainResource.complete("<iframe id=frame sandbox src=iframe.html></iframe>");
   frameResource.complete("<div style='height: 2000px'></div>");
 
   // Move the frame offscreen to throttle it.
   auto* frameElement = toHTMLIFrameElement(document().getElementById("frame"));
   frameElement->setAttribute(styleAttr, "transform: translateY(480px)");
   EXPECT_FALSE(frameElement->contentDocument()->view()->canThrottleRendering());
   compositeFrame();
   EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering());
 
-  // Change style of the frame's content to make it in VisualUpdatePending state.
+  // Change style of the frame's content to make it in VisualUpdatePending
+  // state.
   frameElement->contentDocument()->body()->setAttribute(styleAttr,
                                                         "background: green");
   // Change root frame's layout so that the next lifecycle update will call
   // ScrollingCoordinator::updateAfterCompositingChangeIfNeeded().
   document().body()->setAttribute(styleAttr, "margin: 20px");
   EXPECT_EQ(DocumentLifecycle::VisualUpdatePending,
             frameElement->contentDocument()->lifecycle().state());
 
   DocumentLifecycle::AllowThrottlingScope throttlingScope(
       document().lifecycle());
-  // This will call ScrollingCoordinator::updateAfterCompositingChangeIfNeeded() and should not
-  // cause assert failure about isAllowedToQueryCompositingState() in the throttled frame.
+  // This will call ScrollingCoordinator::updateAfterCompositingChangeIfNeeded()
+  // and should not cause assert failure about
+  // isAllowedToQueryCompositingState() in the throttled frame.
   compositeFrame();
   EXPECT_EQ(DocumentLifecycle::VisualUpdatePending,
             frameElement->contentDocument()->lifecycle().state());
 
   // Make the frame visible by changing its transform. This doesn't cause a
   // layout, but should still unthrottle the frame.
   frameElement->setAttribute(styleAttr, "transform: translateY(0px)");
   compositeFrame();  // Unthrottle the frame.
-  compositeFrame();  // Handle the pending visual update of the unthrottled frame.
+  compositeFrame();  // Handle the pending visual update of the unthrottled
+                     // frame.
   EXPECT_EQ(DocumentLifecycle::PaintClean,
             frameElement->contentDocument()->lifecycle().state());
   EXPECT_TRUE(
       frameElement->contentDocument()->view()->usesCompositedScrolling());
 }
 
 TEST_F(FrameThrottlingTest, UnthrottleByTransformingWithoutLayout) {
   webView().settings()->setAcceleratedCompositingEnabled(true);
 
   // Create a hidden frame which is throttled.
@@ skipping 51 matching lines @@
   compositeFrame();  // Unthrottle the frame.
   compositeFrame();  // Update touch handler regions.
   EXPECT_EQ(1u, touchHandlerRegionSize());
 }
 
 TEST_F(FrameThrottlingTest, ThrottledEventHandlerIgnored) {
   webView().settings()->setAcceleratedCompositingEnabled(true);
   webView().settings()->setJavaScriptEnabled(true);
   EXPECT_EQ(0u, touchHandlerRegionSize());
 
-  // Create a frame which is throttled and has a non-top-level touchstart handler.
+  // Create a frame which is throttled and has a non-top-level touchstart
+  // handler.
   SimRequest mainResource("https://example.com/", "text/html");
   SimRequest frameResource("https://example.com/iframe.html", "text/html");
 
   loadURL("https://example.com/");
   mainResource.complete(
       "<iframe id=frame sandbox=allow-scripts src=iframe.html></iframe>");
   frameResource.complete(
       "<div id=d>touch handler</div>"
       "<script>"
       "document.querySelector('#d').addEventListener('touchstart', "
@@ skipping 194 matching lines @@
   localFrame->script().executeScriptInMainWorld(
       "window.requestAnimationFrame(function() {\n"
       "  var throttledFrame = window.parent.frames.first;\n"
       "  throttledFrame.document.documentElement.style = 'margin: 50px';\n"
       "  throttledFrame.document.querySelector('#d').getBoundingClientRect();\n"
       "});\n");
   compositeFrame();
 }
 
 }  // namespace blink